Power Systems A loss less transmission line has a length of 600 km, find the phase shift of voltage signal? 90° 45° 36° 42° 90° 45° 36° 42° ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following represents the transmission or reflection coefficient of voltage Tv? (Zl = Surge impedance of load, Zs = Surge impedance of line) 2Zl/(Zs + Zl) 2Zs/(Zs + Zl) (Zl - Zs)/(Zs + Zl) (Zs - Zl)/(Zs + Zl) 2Zl/(Zs + Zl) 2Zs/(Zs + Zl) (Zl - Zs)/(Zs + Zl) (Zs - Zl)/(Zs + Zl) ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following matrix is used for load flow studies? Z bus matrix Unit matrix Y bus matrix null matrix Z bus matrix Unit matrix Y bus matrix null matrix ANSWER DOWNLOAD EXAMIANS APP
Power Systems For 132 kV system, the reactance and capacitance up to the location of the CB is 3 Ω and 0.015 μF respectively. The maximum value of RRRV is 10.01 kV / μs. 2.0 kV / μs. 12.2 kV / μs. 9.01 kV / μs. 10.01 kV / μs. 2.0 kV / μs. 12.2 kV / μs. 9.01 kV / μs. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The skin effect of conductor will increase when diameter decrease frequency decrease All of these resistivity decrease diameter decrease frequency decrease All of these resistivity decrease ANSWER DOWNLOAD EXAMIANS APP
Power Systems A thermal power station needs space less than that required by the diesel power station of same output. less than that required by hydro-power station of same capacity. less than that required by atomic power station of the same output. less than that required by a gas turbine power plant of same output. less than that required by the diesel power station of same output. less than that required by hydro-power station of same capacity. less than that required by atomic power station of the same output. less than that required by a gas turbine power plant of same output. ANSWER DOWNLOAD EXAMIANS APP